Home / 30,594.32-45,905.52-18,139.04

Finding the Fourth Proportional to 30,594.32, 45,905.52 and 18,139.04

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Solution

The fourth proportional to 30,594.32, 45,905.52 and 18,139.04 is: 27,216.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,594.32 : 45,905.52 = 18,139.04 : x
  2. Step 2: Convert to fraction form
    30,594.32/45,905.52 = 18,139.04/x
  3. Step 3: Cross multiply
    30,594.32x = 45,905.52 × 18,139.04
  4. Step 4: Simplify right side
    30,594.32x = 832,682,063.50
  5. Step 5: Solve for x
    x = 832,682,063.50/30,594.32
  6. Step 6: Final answer
    x = 27,216.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.